Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HACKNEY LADISH INC ENID OK
400 E WILLOW, ENID, OK, 73701
Parent company: PRECISION CASTPARTS CORP
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Toluene | Manganese | Nickel | Lead | Total (lbs) | |
| 2021 | — | 1 | — | — | 1 | |
| 2020 | — | 3 | — | — | 3 | |
| 2019 | — | 8 | — | 0 | 8 | |
| 2018 | — | 4 | — | — | 4 | |
| 2017 | — | 5 | — | 0 | 5 | |
| 2016 | — | 4 | — | — | 4 | |
| 2014 | — | 3 | — | 0 | 3 | |
| 2013 | — | 4 | — | — | 4 | |
| 2012 | — | — | — | 0 | 0 | |
| 2011 | — | 15 | 15 | — | 30 | |
| 2008 | — | 19 | — | — | 19 | |
| 2007 | — | 20 | 5 | — | 26 | |
| 2006 | — | 18 | 4 | — | 22 | |
| 2005 | — | 20 | — | — | 20 | |
| 1997 | 29,268 | 1 | — | — | 29,269 | |
| 1996 | 33,100 | — | — | — | 33,100 | |
| 1995 | 29,700 | 1 | — | — | 29,701 | |
| 1994 | 33,460 | — | — | — | 33,460 | |
| 1993 | 30,900 | — | — | — | 30,900 | |
| 1992 | 29,000 | — | — | — | 29,000 | |
| 1991 | 28,141 | — | — | — | 28,141 | |
| 1990 | 26,750 | — | — | — | 26,750 | |
| 1989 | 15,954 | — | — | — | 15,954 | |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.